Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.063205] kauditd_printk_skb: 2 callbacks suppressed [ 46.063219] audit: type=1400 audit(1568974230.200:36): avc: denied { map } for pid=7617 comm="syz-executor866" path="/root/syz-executor866017908" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 46.066483] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 46.124374] ------------[ cut here ]------------ [ 46.129958] WARNING: CPU: 0 PID: 7617 at arch/x86/kvm/vmx.c:7251 handle_desc.cold+0x11/0x18 [ 46.138443] Kernel panic - not syncing: panic_on_warn set ... [ 46.138443] [ 46.145918] CPU: 0 PID: 7617 Comm: syz-executor866 Not tainted 4.19.74 #0 [ 46.152914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.162360] Call Trace: [ 46.164957] dump_stack+0x172/0x1f0 [ 46.168684] panic+0x263/0x507 [ 46.171896] ? __warn_printk+0xf3/0xf3 [ 46.175798] ? handle_desc.cold+0x11/0x18 [ 46.179955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.185497] ? __warn.cold+0x5/0x4a [ 46.189197] ? __warn+0xe8/0x1d0 [ 46.192549] ? handle_desc.cold+0x11/0x18 [ 46.196855] __warn.cold+0x20/0x4a [ 46.200402] ? handle_desc.cold+0x11/0x18 [ 46.204739] report_bug+0x263/0x2b0 [ 46.208577] do_error_trap+0x204/0x360 [ 46.212453] ? math_error+0x340/0x340 [ 46.216240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.221863] ? wake_up_klogd+0x99/0xd0 [ 46.225733] ? vprintk_emit+0x264/0x690 [ 46.229702] ? vprintk_emit+0x1ab/0x690 [ 46.233660] ? error_entry+0x7c/0xe0 [ 46.237358] ? trace_hardirqs_off_caller+0x65/0x220 [ 46.242452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.247285] do_invalid_op+0x1b/0x20 [ 46.250995] invalid_op+0x14/0x20 [ 46.254433] RIP: 0010:handle_desc.cold+0x11/0x18 [ 46.259173] Code: 00 48 c7 c7 a0 bd 43 87 c6 05 7d 72 20 08 01 e8 a0 17 39 00 e9 2e 8b fb ff e8 c2 b0 4e 00 48 c7 c7 00 be 43 87 e8 8a 17 39 00 <0f> 0b e9 ce 8f fb ff e8 aa b0 4e 00 89 de 48 c7 c7 00 bf 43 87 c6 [ 46.278400] RSP: 0018:ffff888086c87950 EFLAGS: 00010286 [ 46.283765] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 [ 46.291110] RDX: 0000000000000000 RSI: ffffffff8155dbd6 RDI: ffffed1010d90f1c [ 46.298389] RBP: ffff888086c87960 R08: 0000000000000024 R09: ffffed1015d05079 [ 46.305644] R10: ffffed1015d05078 R11: ffff8880ae8283c7 R12: ffff8880863b0040 [ 46.312900] R13: 0000000000000000 R14: ffff8880863b0040 R15: 000000000000002f [ 46.320175] ? vprintk_func+0x86/0x189 [ 46.324057] ? handle_preemption_timer+0x90/0x90 [ 46.328821] vmx_handle_exit+0x276/0x16b0 [ 46.333047] ? lock_acquire+0x16f/0x3f0 [ 46.337008] ? vcpu_enter_guest+0xf15/0x5ed0 [ 46.341413] vcpu_enter_guest+0x10ca/0x5ed0 [ 46.345729] ? find_held_lock+0x35/0x130 [ 46.349866] ? kvm_vcpu_ioctl+0x181/0xf90 [ 46.354028] ? emulator_read_emulated+0x50/0x50 [ 46.358789] ? lock_acquire+0x16f/0x3f0 [ 46.362760] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 46.368224] kvm_arch_vcpu_ioctl_run+0x457/0x16b0 [ 46.373056] ? kvm_arch_vcpu_ioctl_run+0x457/0x16b0 [ 46.378062] kvm_vcpu_ioctl+0x4dc/0xf90 [ 46.382028] ? kvm_vcpu_block+0xcc0/0xcc0 [ 46.386162] ? kmem_cache_free+0x222/0x260 [ 46.390521] ? putname+0xf4/0x130 [ 46.394066] ? filename_lookup+0x294/0x410 [ 46.398298] ? filename_parentat.isra.0+0x410/0x410 [ 46.403520] ? check_preemption_disabled+0x48/0x290 [ 46.408780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.414419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.419963] ? __phys_addr_symbol+0x30/0x70 [ 46.424286] ? kvm_vcpu_block+0xcc0/0xcc0 [ 46.428475] do_vfs_ioctl+0xd5f/0x1380 [ 46.432364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.437890] ? selinux_file_ioctl+0x125/0x5e0 [ 46.442465] ? ioctl_preallocate+0x210/0x210 [ 46.446998] ? selinux_file_mprotect+0x620/0x620 [ 46.451742] ? __x64_sys_fcntl+0xb0/0x1e0 [ 46.455979] ? user_path_at_empty+0x43/0x50 [ 46.460295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.465917] ? path_setxattr+0x108/0x1b0 [ 46.469969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.475490] ? security_file_ioctl+0x8d/0xc0 [ 46.479894] ksys_ioctl+0xab/0xd0 [ 46.483337] __x64_sys_ioctl+0x73/0xb0 [ 46.487215] do_syscall_64+0xfd/0x620 [ 46.491017] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.496200] RIP: 0033:0x443819 [ 46.499905] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b 0c fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.519761] RSP: 002b:00007ffd39ec7a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.527458] RAX: ffffffffffffffda RBX: 00007ffd39ec7a70 RCX: 0000000000443819 [ 46.534821] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 46.543058] RBP: 0000000000000000 R08: 00000000004010a0 R09: 00000000004010a0 [ 46.550657] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004048c0 [ 46.558412] R13: 0000000000404950 R14: 0000000000000000 R15: 0000000000000000 [ 46.567694] Kernel Offset: disabled [ 46.571393] Rebooting in 86400 seconds..